#VU100768 Input validation error in Dahua NVR4XXX - CVE-2024-39949

Vulnerability identifier: #VU100768

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-39949

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Dahua NVR4XXX
Hardware solutions / Other hardware appliances

Vendor: Dahua Technology

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Dahua NVR4XXX: before 4.001.0000001.6.R.240725

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External links
https://www.dahuasecurity.com/aboutUs/trustedCenter/details/768
https://jvn.jp/en/vu/JVNVU99607268/index.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.